space.template.3.Quiz1StudyGuide

Name: Date:

Quiz #1 Study Guide

Heavy Metals
1.) What are the two heavy metals that we discussed in class, that might impact our water supply?


2.) For both of these heavy metals, identify two reasons that they might come into our water supply.


3.) Why are heavy metals referred to as "heavy"?


4.) Why might they be harmful to your body? Be specific!

Solubility

5.) As temperature increases does the solubility of solids increase or decrease?



6.) As temperature increases, does the solubility of gasses increase or decrease?



7.) Explain your answer to question 6 in terms of the kinetic theory of matter.



8.) What is the solubility of NH3 at 10 degrees Celsius?



9.) What is the solubility of KCl at 10 degrees Celsius?




Polarity
8.) What is the difference between polar molecules and nonpolar molecules

9.) Identify 1 polar substance that we used in class.

12.) Identify 1 non-polar substance that we used in class.

Solution Concentration
13.) What does pph stand for?

14.) What does ppm stand for?

15.) In a solution with 30grams of salt and 70 grams of water, what is the solution concentration of the salt in parts per hundred?